On 15/08/18 15:02, tu...@posteo.de wrote:
Then I do an "emerge <new nvidia-driver-version>" and CUDA stops working. I do not change anything else nor do I know, who/what could disable CUDA on both cards ... except for the driver itsself.
Dumb question, but just to be sure: did you reboot after upgrading the driver? The driver never worked for me correctly, unless I reboot. Unloading the driver with "modprobe -r" and loading the new one doesn't work correctly, only rebooting does.
